Collagen type II is POSSIBLY SAFE when taken by mouth in doses up to 2.5 mg daily for up to 24 weeks. Itâs not clear what the side effects might be. Other collagen products, such as bovine collagen and gelatin, have caused allergic reactions.
Puffy, swollen eyelids and dark circles under the eyes can occur when you have an eye infection such as pink eye. These swollen eyes are caused by inflammation associated with the eye infection, which directly affects the neighboring eyelids. Also, dry eyes can cause general puffiness and swelling.
Following are some allergic causes of dark circles around the eyes: 1. Seasonal: Seasonal allergies such as food allergies, hay fever, cosmetic allergies and allergens from the workplace or home, cause dark circles.Allergies results in inflammation that expands the tiny blood vessels under eyes.ollowing are some allergic causes of dark circles around the eyes: 1. Seasonal: Seasonal allergies such as food allergies, hay fever, cosmetic allergies and allergens from the workplace or home, cause dark circles. Allergies results in inflammation that expands the tiny blood vessels under eyes.